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Done 412+-+HW+1 (2 of 2) STAT 412 - Assignment 1 Due day February 7 in class Twenty-five points each for the first two, and fifty points for the third A bonus of 25 point for #4 (optional) 1. A population has three groups: H, F and B, where p,,-P (wash hair first while taking a shower)-3/4 Pr = P (Wash face first while taking a shower)-18 P,-P (wash body first while taking a shower)-1/8. If 10 people were randomly selected, then what is the probability that exactly 7 said that they wash their heads first, 2 face first and 1 body first?
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